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mezya [45]
1 year ago
7

Monica’s school band held a car wash to raise money for a trip to a parade in New York City. After washing 125 cars, they made $

775 from a combination of $5. 00 quick washes and $8. 00 premium washes. Let x represent the number of quick washes and let y represent the number of premium washes. Which system of linear equations represents the situation?
Mathematics
1 answer:
Andrews [41]1 year ago
3 0

The second equation is= x+y=125.

<h3>What is unitary method?</h3>
  • The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units. What can be values and units.
  • Let's say you go to the store to buy six apples. You are informed by the shopkeeper that he is offering 10 apples for Rs 100. In this instance, the value and the units are the price of the apples.
  • Recognizing the units and values is crucial when using the unitary technique to a problem.
  • Always write the items that need to be computed on the right side and the things that are known on the left side to simplify things.
  • We are aware of the quantity of apples and the amount of money in the aforesaid problem.

According to our question-

After the first quick wash, each additional quick wash costs $5.

Y premium washes cost $8 per after the first one, which cost $8.

They combined rapid and premium washes to make $775, for a total profit of $(5x+8y), or $775. The initial equation reads

5x+8y=775.

2. They had washed 125 vehicles, x using rapid wash and y using premium wash, for a total of x+y. The second equation is then

x+y=125.

Hence, The second equation is= x+y=125.

learn more about unitary method click here:

brainly.com/question/24587372

#SPJ4

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Eva8 [605]

<u>Answer-</u>

<em>Maria's monthly payment will be </em><em>$376.91</em><em> </em>

<u>Solution-</u>

Maria is buying a car worth of $18,510, but she will finance only $13,000 of it with a 3-year loan at 2.8% APR.

We know that,

\text{PV of annuity}=P[\dfrac{1-(1+r)^{-n}}{r}]

Here,

\text{PV of annuity=13000},\\\\\text{P=??},\\\\\text{r = 2.8\%\ annually}=\frac{2.8}{12}\text{\%\ monthly}\\\\\text{n=3 years=36 months}

Putting  the values,

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\Rightarrow 13000=P\times 34.4909

\Rightarrow P=\dfrac{13000}{34.4909}

\Rightarrow P=376.91

Therefore, her monthly payment will be $376.91

5 0
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Ow many cans of paint are needed to cover an area of 2,200 square units if one can of paint covers an area of 400 square units?
salantis [7]
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You flip a coin and roll a dice.what is the probabiliy the coin lands on heads and the dice lands on a number less than 5?
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Answer:

Step-by-step explanation:

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I need the answer for these.<br> 1a: <br> 1b:<br> 1c:
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